Pith Number

pith:O4TCP5XN

pith:2025:O4TCP5XNK5SJ4CKFFNQ5CLRIQU

not attested not anchored not stored refs pending

Discrete dynamical systems: inverse problems and related topics

Alexander Mikhaylov, Victor Mikhaylov

arxiv:2505.05161 v1 · 2025-05-08 · math.AP · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4TCP5XNK5SJ4CKFFNQ5CLRIQU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:00:19.929911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772627f6ed57649e09452b61d12e288526b52c8ebe8c6c3603557f9b2985bb3f

Aliases

arxiv: 2505.05161 · arxiv_version: 2505.05161v1 · doi: 10.48550/arxiv.2505.05161 · pith_short_12: O4TCP5XNK5SJ · pith_short_16: O4TCP5XNK5SJ4CKF · pith_short_8: O4TCP5XN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O4TCP5XNK5SJ4CKFFNQ5CLRIQU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 772627f6ed57649e09452b61d12e288526b52c8ebe8c6c3603557f9b2985bb3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfddad559be97ab43310f8a9f0000c2f43fd3d94cf5537e8e5b40a2c4ee1c3fa",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-05-08T11:55:41Z",
    "title_canon_sha256": "02b09c44e1bc6be12697aeebd6d610cda99675d5cba48db77394b4d84a6ef0a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05161",
    "kind": "arxiv",
    "version": 1
  }
}